1-r=2

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Solution for 1-r=2 equation:


1-r=2

We simplify the equation to the form, which is simple to understand 
1-r=2

We move all terms containing r to the left and all other terms to the right. 
-1r=+2-1

We simplify left and right side of the equation. 
-1r=+1

We divide both sides of the equation by -1 to get r. 
r=-1

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